The TLP-L-10086 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 1800 MHz, 3 dB Cutoff Frequency 1800 MHz, Insertion Loss 1.2 dB, Rejection 45 dB, Upper Rejection 45 dB @ 2100 to 6000 Mhz. More details for TLP-L-10086 can be seen below.